<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>嵌套路由</title>
    <script src="https://unpkg.com/vue/dist/vue.js"></script>
    <script src="https://unpkg.com/vue-router/dist/vue-router.js"></script>
    <script src="https://unpkg.com/axios/dist/axios.js"></script>

    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/nprogress/0.2.0/nprogress.css">
    <script src="https://cdnjs.cloudflare.com/ajax/libs/nprogress/0.2.0/nprogress.js"></script>
</head>

<body>
    <div id="app">     
    </div>

    <script>
    </script>
</body>

</html>